I thought that there was considerable hardness by using a general purpose bit (binder), but I could easily correct the surface by diamond brick dressing. However, although it is hope for Monotarou future, there were a few scratches that seems to hit while the whetstone and diamond bricks are being transported. There was no problem level because it was dressing. I will tell you that this kind of hand in the packing box needs to be devised not to move.

I use it for drill polishing and thinning of about φ1 ~ φ3 with a grain size 220, 150 x 6.4 x 12.7 and a thin and thin grinding stone. It was difficult to use and easy to use stone when thinning was reduced.

(3 points closer to 19800 yen) I bought a desktop bench grinder GD-200 + diamond dresser set and purchased additional because the roughness of the grinding stone did not match the intended use. It has become possible to polish very well using it by lowering the rotation speed of the grinder.

I used it attached to a cheap Chinese made body, the grinding stone attached at the beginning was eccentric or the vibration was intense, but it changed to kore and it became no vibration. It is very easy to use. I think that it is better to use good ones even if the main body is a cheap article made in China.

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All of the products MonotaRO Singapore offers are subject to Japanese local laws, regulations, and certification standards.
Please make sure that it may or may not meet requirements of your country and/or international organizations,
including but not limited to, UL Certification, China Compulsory Certificate system, and Halal.
MonotaRO Co.,Ltd. Hyogo Public Safety Commission No.631330800020